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deno/cli/ops/mod.rs
Bartek Iwańczuk 4b6305f4f2
perf(core): preserve ops between snapshots (#18080)
This commit changes the build process in a way that preserves already
registered ops in the snapshot. This allows us to skip creating hundreds of
"v8::String" on each startup, but sadly there is still some op registration
going on startup (however we're registering 49 ops instead of >200 ops). 

This situation could be further improved, by moving some of the ops 
from "runtime/" to a separate extension crates.

---------

Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>
2023-03-18 12:51:21 +01:00

33 lines
781 B
Rust

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use crate::proc_state::ProcState;
use deno_core::error::AnyError;
use deno_core::op;
use deno_core::Extension;
use deno_core::OpState;
pub mod bench;
pub mod testing;
pub fn cli_exts(ps: ProcState) -> Vec<Extension> {
vec![deno_cli::init_ops(ps)]
}
deno_core::extension!(deno_cli,
ops = [op_npm_process_state],
options = {
ps: ProcState,
},
state = |state, options| {
state.put(options.ps);
},
customizer = |ext: &mut deno_core::ExtensionBuilder| {
ext.force_op_registration();
},
);
#[op]
fn op_npm_process_state(state: &mut OpState) -> Result<String, AnyError> {
let proc_state = state.borrow_mut::<ProcState>();
Ok(proc_state.npm_resolver.get_npm_process_state())
}